Home / 767,735.20-1,149,853.20-452,807.20

Finding the Fourth Proportional to 767,735.20, 1,149,853.20 and 452,807.20

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Solution

The fourth proportional to 767,735.20, 1,149,853.20 and 452,807.20 is: 678,178.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,735.20 : 1,149,853.20 = 452,807.20 : x
  2. Step 2: Convert to fraction form
    767,735.20/1,149,853.20 = 452,807.20/x
  3. Step 3: Cross multiply
    767,735.20x = 1,149,853.20 × 452,807.20
  4. Step 4: Simplify right side
    767,735.20x = 520,661,807,903.04
  5. Step 5: Solve for x
    x = 520,661,807,903.04/767,735.20
  6. Step 6: Final answer
    x = 678,178.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.